A股主要指数拉升，深证成指、创业板指盘初双双翻红，沪指跌幅收窄至0.25%，科创50指数涨超1%

Core Viewpoint - The A-share market showed a mixed performance with major indices experiencing fluctuations, where the Shenzhen Component Index and the ChiNext Index turned positive while the Shanghai Composite Index narrowed its decline to 0.25% [1] Group 1: Index Performance - Shanghai Composite Index closed at 3955.30, down by 9.98 points or 0.25% [2] - ChiNext Index rose to 3235.36, gaining 12.75 points or 0.40% [2] - Shenzhen Component Index reached 13559.64, increasing by 22.54 points or 0.17% [2] - Sci-Tech Innovation 50 Index climbed to 1360.26, up by 13.95 points or 1.04% [2] - North Exchange 50 Index fell to 1452.37, decreasing by 4.08 points or 0.28% [2] - CSI 300 Index closed at 4633.58, down by 5.79 points or 0.12% [2] - Shanghai 50 Index ended at 3026.42, declining by 8.21 points or 0.27% [2]